1dov

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[[Image:1dov.gif|left|200px]]
 
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{{Structure
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==CRYSTAL STRUCTURE OF THE ALPHA-CATENIN DIMERIZATION DOMAIN==
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|PDB= 1dov |SIZE=350|CAPTION= <scene name='initialview01'>1dov</scene>, resolution 3.00&Aring;
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<StructureSection load='1dov' size='340' side='right'caption='[[1dov]], [[Resolution|resolution]] 3.00&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND=
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<table><tr><td colspan='2'>[[1dov]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1DOV OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1DOV FirstGlance]. <br>
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|ACTIVITY=
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 3&#8491;</td></tr>
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|GENE=
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1dov FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1dov OCA], [https://pdbe.org/1dov PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1dov RCSB], [https://www.ebi.ac.uk/pdbsum/1dov PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1dov ProSAT]</span></td></tr>
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|DOMAIN=
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</table>
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|RELATEDENTRY=
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== Function ==
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1dov FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1dov OCA], [http://www.ebi.ac.uk/pdbsum/1dov PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1dov RCSB]</span>
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[https://www.uniprot.org/uniprot/CTNA1_MOUSE CTNA1_MOUSE] Associates with the cytoplasmic domain of a variety of cadherins. The association of catenins to cadherins produces a complex which is linked to the actin filament network, and which seems to be of primary importance for cadherins cell-adhesion properties. Can associate with both E- and N-cadherins. Originally believed to be a stable component of E-cadherin/catenin adhesion complexes and to mediate the linkage of cadherins to the actin cytoskeleton at adherens junctions. In contrast, cortical actin was found to be much more dynamic than E-cadherin/catenin complexes and CTNNA1 was shown not to bind to F-actin when assembled in the complex suggesting a different linkage between actin and adherens junctions components. The homodimeric form may regulate actin filament assembly and inhibit actin branching by competing with the Arp2/3 complex for binding to actin filaments. May play a crucial role in cell differentiation.<ref>PMID:16325583</ref>
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}}
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/do/1dov_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=1dov ConSurf].
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<div style="clear:both"></div>
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'''CRYSTAL STRUCTURE OF THE ALPHA-CATENIN DIMERIZATION DOMAIN'''
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==See Also==
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*[[Catenin 3D structures|Catenin 3D structures]]
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*[[Phosphoribosyltransferase 3D structures|Phosphoribosyltransferase 3D structures]]
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==Overview==
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== References ==
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In adherens junctions, alpha-catenin links the cadherin-beta-catenin complex to the actin-based cytoskeleton. alpha-catenin is a homodimer in solution, but forms a 1:1 heterodimer with beta-catenin. The crystal structure of the alpha-catenin dimerization domain, residues 82-279, shows that alpha-catenin dimerizes through formation of a four-helix bundle in which two antiparallel helices are contributed by each protomer. A slightly larger fragment, comprising residues 57-264, binds to beta-catenin. A chimera consisting of the alpha-catenin-binding region of beta-catenin linked to the amino terminus of alpha-catenin 57-264 behaves as a monomer in solution, as expected, since beta-catenin binding disrupts the alpha-catenin dimer. The crystal structure of this chimera reveals the interaction between alpha- and beta-catenin, and provides a basis for understanding adherens junction assembly.
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<references/>
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__TOC__
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==About this Structure==
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</StructureSection>
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1DOV is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1DOV OCA].
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[[Category: Large Structures]]
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==Reference==
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Structure of the dimerization and beta-catenin-binding region of alpha-catenin., Pokutta S, Weis WI, Mol Cell. 2000 Mar;5(3):533-43. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/10882138 10882138]
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[[Category: Mus musculus]]
[[Category: Mus musculus]]
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[[Category: Single protein]]
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[[Category: Pokutta S]]
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[[Category: Pokutta, S.]]
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[[Category: Weis WI]]
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[[Category: Weis, W I.]]
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[[Category: four-helix bundle]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 19:45:46 2008''
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Current revision

CRYSTAL STRUCTURE OF THE ALPHA-CATENIN DIMERIZATION DOMAIN

PDB ID 1dov

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